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Poster: JeffT Date: Feb 4, 2010 6:27pm
Forum: movies Subject: Re: Sound synchronization problems

I uploaded some test videos (about 3 minute long video of a clock). Processing by MPEG Streamclip does introduce about a one second difference in the synchronization. If it causes a problem here, maybe it's causing worse problems in other cases. Videos are:

Raw video:

http://www.archive.org/details/Xacti1010_raw_test_2010_02_04

Raw video, just read and written by MPEG Streamclip (no editing). Sound sync still seems fine:
http://www.archive.org/details/Xacti1010_raw_test_2010_02_04_stream_clip_passthrough

This time, trim first 26 seconds of video using MPEG Strimclip "In" timeline feature. Introduces about a one second difference in the sync:
http://www.archive.org/details/Xacti1010_trim_test_2010_02_04

Try again, use "In" feature followed by "Trim" edit command. One second difference in sync is still about the same:
http://www.archive.org/details/Xacti1010_trim2_test_2010_02_04